Mathieu function: Difference between revisions

Revision as of 16:05, 3 October 2005

Revision as of 16:11, 3 October 2005

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==Mathieu sine and cosine==

[[Image:MatheiuCosine.gif|frame|centerright|Mathieu cosine <math>MC(1,0.2,x)</math>, in (green), and <math>\cos(x)</math> (redt)for comparison, in red.]]

For fixed a,q, the '''Mathieu cosine''' <math>MC(a,q,\xi)</math> is a function of <math>\xi</math> defined as the unique solution of the Mathieu equation which